Tolliver; Wilbur E.

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Holland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making reinforced concrete pipe
- Patent number 4,079,500
- Issue date Mar 21, 1978
- Tolliver; Wilbur E.
- Wilbur E. Tolliver
- B28 - WORKING CEMENT, CLAY, OR STONE